CN103765245A - Hybrid deterministic-geostatistical earth model - Google Patents
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Abstract
Embodiments of the present technology integrate seismic data and geological concepts into an earth model build. More specifically, the exemplary embodiments provide a new method of building an earth model based on seismic data and information in geological concepts for use as a background for interpreting the seismic data and/or adding to the earth model in areas where seismic data is missing (e.g., no data or no data resolvable). In some embodiments, a deterministic framework for the earth model is generated by deterministic identification of discrete geobodies. According to some embodiments, a hybrid deterministic-geostatistical earth model is generated by filling stratigraphic gaps in a deterministic framework with geostatistical information and/or seismic inversion.
Description
Technical field
The disclosure relates generally to paid close attention to geology modeling volume, and more particularly, relates to and generate hybrid determinacy-geological statistics earth model.
Background technology
Carry out seismic imaging and underground explanation, to obtain as far as possible exactly the geologic model of earth subsurface volume.Conventional industrial work flow process generally includes following series of processing steps: the 3D seismic image volume that (a) geological data is processed into earth subsurface volume; (b) utilize list and other known petrophysical data and rock character, extract the attribute (for example, speed, Poisson ratio, density, acoustic impedance etc.) at each the underground some place in earth subsurface volume; (c) in interpretation workstation, explain geometry, well logging information and the geologic modelling of 3D geologic image volume, to obtain structure, stratigraphy and geological form; And (d) according to extracted attribute and structure, stratigraphy and the geological form obtained, build geology and reservoir subsurface model.
The earth model that conventional industrial work flow process is used when utilizing structure and stratigraphic(al) explanation and utilizing the reservoir characteristic imaging of estimating from earthquake has limited mediation (reconciliation)/integrated.Each treatment step has intrinsic uncertainty and the nonuniqueness that cannot limit completely quantitatively.Thereby, be difficult to quantize uncertainty and the nonuniqueness of the geology reservoir model that generates by conventional industrial work flow process.Most industry workflow is sought help from Geo-statistic Method and is estimated uncertainty and nonuniqueness.The all data consistents that utilize when nonetheless, also not guaranteeing gained probabilistic model and generating this model.
Summary of the invention
An aspect of the present disclosure relates to a kind of for by the determinacy of plastid is discretely identified to generate the computer implemented method for the deterministic framework of earth model.The method comprises the following steps: obtain the multiple image volume that are associated with the earth model of the geology volume of paying close attention to that comprises one or more geologic bodies.The geological data of this earth model based on representing to propagate through from one or more energy sources to one or more energy receiver the energy of paid close attention to geology volume.This geological data comprises one or more at least one skew stack, at least one angle stack or the stack of at least one orientation.Each image volume in described multiple image volume is corresponding to different stack territories.The method comprises the following steps: the one or more frequency ranges in the described multiple image volume that are associated for the earth model of the geology volume of paying close attention to this, executive signal is processed one or two in enhancing or spectral decomposition.The method comprises the following steps: by utilizing one or two in seismic stratigraphy analytical technology or earthquake topography analytical technology to analyze one or more in described multiple image volume, identify the one or more statements of plastids discretely (representation) in each image volume in described multiple image volume.Each geologic body in described one or more geologic body statement is explained corresponding to the described one or more geologic bodies that are included in this geology volume of paying close attention to.The method comprises the following steps: each image volume assignment in described multiple image volume distributes mutually.This distributes mutually and comprises one or two and assignment based in borehole data and/or geophysics modeling spatial description value and/or the rock character to identified one or more geologic bodies statements.The method comprises the following steps: the set based on distributing mutually generates the deterministic framework of earth model.The matrix that this deterministic framework is associated with earth model, extends on part or all of earth model, and comprise each geologic body statement and the one or more undefined region in identified one or more geologic bodies statements.The method comprises: in the deterministic framework of this earth model, identify lamellar spacing, one or more ground.Lamellar spacing, described one or more ground does not have identified geologic body statement.
Another aspect of the present disclosure relates to a kind of for become the computer implemented method of hybrid determinacy-geological statistics earth model next life by the lamellar spacing, ground that utilizes geological statistics information and/or seismic inversion to fill deterministic framework.The method comprises: obtain the deterministic framework being associated with the earth model of the geology volume of paying close attention to that comprises one or more geologic bodies.The measurement geological data of this earth model based on representing to propagate through from one or more energy sources to one or more energy receiver the energy of paid close attention to geology volume.This measurement geological data comprises one or more at least one skew stack, at least one angle stack or the stack of at least one orientation.The matrix that this deterministic framework is associated with earth model, extends on part or all of earth model.The method comprises: identify one group of one or more geologic body statement that are associated with paid close attention to geology volume.Each geologic body statement in one or more geologic body statements in this group randomly (stochastically) is derived, and represents to be included in each geologic body in the described one or more geologic bodies in paid close attention to geology volume.The group of this one or more geologic bodies statement is utilized borehole data or is explained one or two in dynamic generated data, based on Geo-statistic Method, constructs.The method comprises: by utilizing each geologic body statement in the statement of this group geologic body, the lamellar spacing, one or more ground of filling in the deterministic framework of earth model becomes initial mixing formula determinacy-geological statistics earth model next life.Each lamellar spacing, ground in lamellar spacing, described one or more ground is in this deterministic framework, there is no the region of geologic body statement.The method comprises: generate and be used for and measure geological data synthetic seismic response comparison, initial mixing formula determinacy-geological statistics earth model.This relatively contributes to confirm initial mixing formula determinacy-geological statistics earth model.The method comprises: the confirmatory geological statistics earth model of refinement initial mixing iteratively, and to obtain one group of final hybrid determinacy-geological statistics earth model.This refinement is based on geology seismic response and the continuous comparison between the synthetic seismic response of hybrid determinacy-geological statistics earth model of refinement.The synthetic seismic response of each individuality in the final hybrid determinacy-geological statistics earth model of this group approaches measures geological data.The method comprises: in the middle of the final hybrid determinacy-geological statistics earth model of this group, select representative hybrid determinacy-geological statistics earth model.Hybrid determinacy-the geological statistics of this representativeness earth model has the one or more probabilistic scope based at least one Reservoir Parameters or geology truthlikeness (plausibility).
Of the present disclosurely relate in one aspect to again a kind of system, this system is configured to generate for the deterministic framework of earth model and generates hybrid determinacy-geological statistics earth model.This system comprises: one or more processors, these one or more processors are configured to computer program module.This computer program module comprises: image volume module, geologic body module, phase distribution modulator, frame module, mixture model module and synthetic seismic response module.This image volume module is configured to, and generates or obtain the multiple image volume that are associated with the earth model of the geology volume of paying close attention to that comprises one or more geologic bodies.The geological data of this earth model based on representing to propagate through from one or more energy sources to one or more energy receiver the energy of paid close attention to geology volume.This geological data comprises one or more at least one skew stack, at least one angle stack or the stack of at least one orientation.Each image volume in described multiple image volume is corresponding to different stack territories.This geologic body module is configured to, by utilizing one or two in seismic stratigraphy analytical technology or earthquake topography analytical technology to analyze one or more in described multiple image volume, identify the one or more statements of plastids discretely in each image volume in described multiple image volume.Each geologic body in described one or more geologic body statement is explained corresponding to the described one or more geologic bodies that are included in this geology volume of paying close attention to.This phase distribution modulator is configured to, and each image volume assignment in described multiple image volume distributes mutually.This distributes mutually and comprises spatial description value and/or the rock character that one or two assignment based in borehole data and/or geophysics modeling is explained to identified one or more geologic bodies.This frame module is configured to, and the set based on distributing mutually generates or obtain the deterministic framework of this earth model.This deterministic framework is associated with earth model, this earth model partly or entirely on the matrix that extends, and comprise in each geologic body statement and the lamellar spacing, one or more ground in identify one or more geologic body statement each lamellar spacing.Each lamellar spacing, ground in lamellar spacing, described one or more ground is the region that there is no geologic body statement in this deterministic framework.This mixture model module is configured to, each geologic body statement in the group of the one or more geologic bodies statements that are associated with paid close attention to geological statistics by utilization, fill each lamellar spacing, ground in the lamellar spacing, described one or more ground in deterministic framework, generate or obtain hybrid determinacy-geological statistics earth model.Each geologic body statement in this group is derived randomly, and represents to be included in each geologic body in the described one or more geologic bodies in paid close attention to geology volume.The group of this one or more geologic bodies statement is utilized borehole data or is explained one or two in dynamic generated data, based on Geo-statistic Method, constructs.This synthetic seismic response module is configured to, generate or obtain for the synthetic seismic response of determinacy-geological statistics earth model geological data comparison, hybrid, to verify hybrid determinacy-geological statistics earth model.
Of the present disclosurely relate in one aspect to again a kind of computer-readable recording medium that specifically implements instruction on it.This instruction can be carried out by processor, a kind of for by the method for the determinacy of plastid discretely being identified to the deterministic framework that generates earth model to carry out.The method comprises: obtain the multiple image volume that are associated with the earth model of the geology volume of paying close attention to that comprises one or more geologic bodies.The geological data of this earth model based on representing to propagate through from one or more energy sources to one or more energy receiver the energy of paid close attention to geology volume.This geological data comprises one or more at least one skew stack, at least one angle stack or the stack of at least one orientation.Each image volume in described multiple image volume is corresponding to different stack territories.The method comprises: the one or more frequency ranges in the described multiple image volume that are associated for the earth model of the geology volume of paying close attention to this, executive signal is processed one or two in enhancing or spectral decomposition.The method comprises: by utilizing one or two in seismic stratigraphy analytical technology or earthquake topography analytical technology to analyze one or more in described multiple image volume, identify the one or more statements of plastids discretely in each image volume in described multiple image volume.Each geologic body in described one or more geologic body statement is explained corresponding to the described one or more geologic bodies that are included in this geology volume of paying close attention to.The method comprises: each image volume assignment in described multiple image volume distributes mutually.This distributes mutually and comprises one or two and assignment based in borehole data and/or geophysics modeling spatial description value and/or the rock character to identified one or more geologic bodies statements.The method comprises: the set based on distributing mutually generates the deterministic framework of this earth model.The matrix that this deterministic framework is associated with earth model, extends on part or all of earth model, and comprise each geologic body statement and the one or more undefined region in identified one or more geologic bodies statements.The method comprises: in the deterministic framework of this earth model, identify lamellar spacing, one or more ground.Lamellar spacing, described one or more ground does not have identified geologic body statement.
Another aspect of the present disclosure relates to a kind of computer-readable recording medium that specifically implements instruction on it.This instruction can be carried out by processor, a kind of for become the method for hybrid determinacy-geological statistics earth model next life by the lamellar spacing, ground that utilizes geological statistics information and/or seismic inversion to fill deterministic framework to carry out.The method comprises: obtain the deterministic framework being associated with the earth model of the geology volume of paying close attention to that comprises one or more geologic bodies.The measurement geological data of this earth model based on representing to propagate through from one or more energy sources to one or more energy receiver the energy of paid close attention to geology volume.This measurement geological data comprises one or more at least one skew stack, at least one angle stack or the stack of at least one orientation.The matrix that this deterministic framework is associated with earth model, extends on part or all of earth model.The method comprises: identify one group of one or more geologic body statement that are associated with paid close attention to geology volume.Each geologic body statement in this group geologic body statement is derived randomly, and represents to be included in each geologic body in the described one or more geologic bodies in paid close attention to geology volume.The group of this one or more geologic bodies statement is utilized borehole data or is explained one or two in dynamic generated data, based on Geo-statistic Method, constructs.The method comprises: by utilizing each geologic body statement in the statement of this group geologic body, the lamellar spacing, one or more ground of filling in the deterministic framework of earth model becomes initial mixing formula determinacy-geological statistics earth model next life.Each lamellar spacing, ground in lamellar spacing, described one or more ground is the region that there is no geologic body statement in this deterministic framework.The method comprises: generate and be used for and measure geological data synthetic seismic response comparison, initial mixing formula determinacy-geological statistics earth model.This relatively contributes to verify initial mixing formula determinacy-geological statistics earth model.The method comprises: the formula of refinement initial mixing iteratively determinacy-geological statistics earth model, and to obtain one group of final hybrid determinacy-geological statistics earth model.This refinement is based on geology seismic response and the continuous comparison between the synthetic seismic response of hybrid determinacy-geological statistics earth model of refinement.The synthetic seismic response of each individuality in the final hybrid determinacy-geological statistics earth model of this group approaches measures geological data.The method comprises: in the middle of the final hybrid determinacy-geological statistics earth model of this group, select representative hybrid determinacy-geological statistics earth model.Hybrid determinacy-the geological statistics of this representativeness earth model has the uncertainty of the one or more certain limit based at least one Reservoir Parameters or geology truthlikeness.
When the description below considering with reference to accompanying drawing and appended claims, these and other feature and the characteristic of this technology, to become clearer with the operation of associated components of structure and built-up section and the economy of the method for function and manufacture, it has all formed the part of this instructions, wherein, same numeral is specified the corresponding part in each figure.But, it should be understood that accompanying drawing is only for the object that illustrates and describe, but not be intended to the explanation as the restriction to this technology.As used in the present specification and claims, singulative " (a) ", " one (an) ", and " should/described (the) " comprise multiple indicants, unless context clearly stipulates in addition.
Accompanying drawing explanation
Fig. 1 exemplified with according to one or more embodiment, be configured to generate for the deterministic framework of earth model and generate the system of hybrid determinacy-geological statistics earth model.
Fig. 2 exemplified with according to one or more embodiment, for generating the workflow of hybrid determinacy-geological statistics earth model.
Fig. 3 A-3C provides according to exemplary information one or more embodiment, that be associated with the workflow of Fig. 2.
Fig. 4 A-4D provides according to exemplary information one or more embodiment, that be associated with the workflow of Fig. 2.
Fig. 5 exemplified with according to one or more embodiment, for by the determinacy of plastid is discretely identified to generate the method for the deterministic framework of earth model.
Fig. 6 exemplified with according to one or more embodiment, for become the method for hybrid determinacy-geological statistics earth model next life by the lamellar spacing, ground that utilizes geological statistics information and/or seismic inversion to fill deterministic framework.
Embodiment
This technology can be described and realize by the general background of a system and the computer approach that will carry out by a computing machine.The computer software technology that this computer executable instructions can comprise program, routine, object, assembly, data structure and can be used to carry out particular task and process abstract data type.The software of this technology is realized and can be encoded by the different language of the application in various computing platforms and environment.Should be clear, the scope of this technology and ultimate principle are not limited to any certain computer software engineering.
And, it should be apparent to those skilled in the art that, this technology can be utilized any in hardware and software structure or combine and put into practice, include but not limited to there is system, handheld apparatus, programmable consumer electronics, mini-computer, mainframe computer of uniprocessor and/or multiprocessor computer processor system etc.In the distributed computing environment that this technology can also be executed the task by the server via one or more data communication network links or other treating apparatus therein, put into practice.In distributed computing environment, program module can be arranged in comprise memory storage apparatus local and remote computer-readable storage medium both.
And, for the manufacture (as CD, pre-recorded disc or other equality unit) using together with computer processor can comprise computer program memory medium and record thereon, for vectoring computer processor to contribute to realize and put into practice the timer of this technology.This device and manufacture also fall in the spirit and scope of this technology.
Below, with reference to accompanying drawing, the embodiment of this technology is described.This technology can realize by many modes, for example, comprise system (comprising computer processing system), method (comprising computer implemented method), device, computer-readable recording medium, computer program, graphical user interface, portal website or be visibly fixed on the data structure in computer-readable memory.Below, several embodiment of this technology are discussed.Accompanying drawing is only exemplified with the exemplary embodiments of this technology, and should not be regarded as thus the restriction to its scope and width.
Fig. 1 exemplified with according to one or more embodiment, be configured to generate for the deterministic framework of earth model and generate the system 100 of hybrid determinacy-geological statistics earth model.The embodiment of this technology is integrated into geological data and geology concept in earth model structure.More particularly, exemplary embodiment provides a kind of information based in geological data and geology concept to build the new method of earth model, for example, to add earth model to acting on the background (context) of explanation of seismic data and/or lacking therein in the region of geological data (, there is no data or there is no data analyticity).As described in Fig. 1, system 100 can comprise: Electronic saving portion 102, user interface 104, one or more information resources 106, at least one processor 108 and/or other assembly.
In certain embodiments, Electronic saving portion 102 comprises the electronic storage medium of the information of storing electronically.The electronic storage medium of Electronic saving portion 102 can comprise with system 100 (integrally, substantially can not remove) the system storage portion that provides, and/or for example via port (for example, USB port, firewire port etc.) or driver (for example, disk drive etc.) be removably connected to the storage part removed of system 100.Electronic saving portion 102 (for example can comprise one or more readable storage media, CD etc.), magnetic readable storage medium storing program for executing (for example, tape, magnetic hard disk drives, floppy disk etc.), the storage medium based on electric charge (for example, EEPROM, RAM etc.), solid storage medium (for example, flash drive etc.) and/or other electronically readable storage medium.Electronic saving portion 102 can store software algorithms, the information of being determined by processor 108, the information receiving via user interface 104, the information receiving from information resources 106 and/or makes the system 100 can be as said the out of Memory working.Electronic saving portion 102 can be the separation assembly in system 100, or Electronic saving portion 102 can for example, integrally provide with one or more other assemblies of system 100 (, processor 108).
It should be understood that other communication technology (hard wire or wireless) also can be envisioned for user interface 104 by this technology.For example, this technology imagination user interface 104 can be integrated with the memory interface removed being provided by Electronic saving portion 102.In this example, information for example, can be loaded in system 100 from removing storage part (, smart card, flash drive, can removal dish etc.), make the realization that user can custom-built system 100.Be suitable for being used as other exemplary input media and the technology of user interface 104 to include but not limited to together with system 100, RS-232 port, RF link, IR link, modulator-demodular unit (phone, cable or other).Briefly, for any technology that transmits information with system 100, by this technology, be envisioned for user interface 104.
These information resources 106 can comprise the out of Memory the earthquake related data except being associated with paid close attention to geology volume.The example of this information can comprise: the information relevant with gravity, magnetic field, resistivity mt information, radar data, well daily record, rock character, geologic modelling data, and/or out of Memory.
Processor 108 is provided in system 100 information processing capability is provided.Similarly, processor 108 can comprise digital processing unit, analog processor, be designed to the digital circuit of process information, the mimic channel that is designed to process information, state machine and/or one or more for other mechanism of process information electronically.Although processor 108 is shown as single entities in Fig. 1, this is only for exemplary object.In some implementations, processor 108 can comprise multiple processing units.These processing units can be physically located in same device or computing platform, or processor 108 can represent the processing capacity of multiple devices of cooperative operation.
As shown in fig. 1, processor 108 can be configured to carry out one or more computer program modules.These one or more computer program modules can comprise one or more in communication module 110, image volume module 112, geologic body module 114, phase distribution modulator 116, frame module 118, mixture model module 120, synthetic seismic response module 122 and/or other module.Processor 108 can be configured to pass through software; Hardware; Firmware; The a certain combination of software, hardware and/or firmware; And/or carry out execution module 110,112,114,116,118,120 and/or 122 for other mechanism of the processing power on configuration processor 108.
Should be clear, although being illustrated as in Fig. 1, module 110,112,114,116,118,120 and 122 is co-located in single processing unit, but processor 108 comprises in the realization of multiple processing units therein, one or more in module 110,112,114,116,118,120 and/or 122 can be with respect to other module long range positioning.To the description of the function being provided by disparate modules 110,112,114,116,118,120 and/or 122 described below for exemplary object, but not be intended to limit, because any in module 110,112,114,116,118,120 and/or 122 can provide than more or less function of describing.For example, one or more can the elimination in module 110,112,114,116,118,120 and/or 122, and its some or repertoire can be provided by other module in module 110,112,114,116,118,120 and/or 122.As another example, processor 108 can be configured to, and execution can be carried out the one or more add-on modules owing to some or all functions of in module 110,112,114,116,118,120 and/or 122 below.As another example, processor 108 can be configured to carry out can carry out one or more modules, and these one or more modules can be carried out the common unsettled U.S. Patent application No.13/017995(" 995 application " belonging on January 31st, 2011 submits to and autograph is " Extracting Geologic Information from Multiple Offset Stacks and/or Angle Stacks ") in; And/or submit to and autograph is the common unsettled U.S. Patent application No.13/018094(of " Exploitation of Self-Consistency and Differences Between Volume Images and Interpreted Spatial/Volumetric Context " " 094 applies for " on January 31st, 2011) described in some or all functions of one or more modules, these applications are all incorporated into this by reference.
The geology volume of paying close attention to can comprise one or more " overlayers ".Overlayer can be described to the geology part on mineral deposit, refractor and/or reverberation conventionally.Tectal example can comprise and is positioned at ore or has valency sediment top and the material of depressing, loose not cementing material and/or other overlayer of basement rock top thereon.Overlayer can be associated with rate pattern and/or other model that can be used to reimaging.
The geology volume of paying close attention to can comprise one or more targets, for instance, and as reservoir target.According to one or more embodiment, can in this target, carry out labor, to determine the information (further describing) about geologic body and/or rock character below.According to the customizing messages of trying to achieve, the geology volume of paying close attention to can comprise top, paid close attention to region from surface to the whole geology part of target interval, or the geology volume of paying close attention to can be constrained to specific objective interval.
This earth model can propagate through based on expression the geological data of the energy of paid close attention to geology volume from one or more energy sources to one or more energy receiver.This geological data can comprise one or more at least one skew stack, at least one angle stack or the stack of at least one orientation.Each image volume can be corresponding to different stack territories.
According to some embodiment, earth model can be one-dimensional or multidimensional.Other model that the example of this model can comprise rate pattern and/or be associated with paid close attention to geology volume.Earth model can comprise for example, numerical value statement as at least one characteristic of the function of the position in paid close attention to geology volume (, seismic velocity, density, decay, anisotropy and/or other characteristic).Rate pattern can comprise the space distribution that can obey for tracking the speed of the raypath of snell law.Rate pattern can refer to the model using in migration (for instance, as depth migration).Rate pattern can be called as speed cube.
In general, image volume is two dimension or the three-dimensional visible statement of one or more aspects of geologic model.Each image volume can be corresponding to each skew stack; Angle stack; Orientation stack; The conversion (for example, spectral decomposition and/or other conversion) of skew stack, angle stack and/or orientation stack; And/or out of Memory.Image volume can represent to be present in the geologic body in paid close attention to geology volume.
Image volume can be to have the description that space distribution in the geology volume of paying close attention to of one or more attributes and/or time distribute.Attribute for example can comprise with lower one or more: speed, correlativity, Hilbert transform, amplitude, instantaneous frequency, spectrum analysis, anisotropy, decay, impedance, density, Poisson ratio, sound characteristics, elastic property, rock physical property, rock character, fluid behaviour, reservoir characteristic, seismic response, geologic description, lithology breakdown, sink (dip), earthquake magnitude (magnitude), curvature, roughness, sinking orientation, spectral shape, and/or owing to the out of Memory of geology volume and/or geologic body.According to some embodiment, generate and/or obtain image volume and can comprise and utilize one or more in boring derived information, the geological data that is used to obtain geologic model and/or out of Memory.
Image volume can be based on being associated with paid close attention to geology volume the consistent volume of geology of spacial alignment become and/or obtain next life.Image volume can be formed by multiple skew stacks, orientation stack and/or angle stack, and it represents from one or more energy sources to one or more energy receiver, to propagate through the energy of paid close attention to geology volume.Can determine based on corresponding skew stack, orientation stack and/or angle stack with multiple image volume of the skew of each source-receiver and/or source-receiver angular dependence (-dance) connection.
In certain embodiments, image volume module 112 is configured to, one or more frequency ranges in each image volume in the multiple image volume that are associated for the earth model of the geology volume of paying close attention to this, executive signal is processed one or two in enhancing or spectral decomposition.Image volume module 112 can be configured to, by filtering each image volume in described multiple image volume, run through the section of each image volume in described multiple image volume or the optics stacked volume that is associated with each image volume in described multiple image volume in one or more, eliminate noise relational pattern.
According to some embodiment, geologic body module 114 can be configured to identify described one or more statement of plastid discretely by identify one or more stratum pattern in given image volume based on animation.This animation can comprise a succession of frame of deriving from given image volume.Each frame can comprise the optics stacked volume that runs through the single section of given image volume or be associated with this given image volume.In certain embodiments, described one or more stratum pattern of identifying in given image volume can comprise: this given image volume is explained in the analysis of the optics stacked volume based on being associated to the section that runs through given image volume or with this given image volume.According to animation, identifying one or more stratum pattern can comprise: identify the variation between the successive frame of this animation.This variation between the successive frame of this animation can be included in the geologic body between this successive frame with different rate travels.
According to some embodiment, phase distribution modulator 116 can be configured to explain confidence level to each geologic body statement assignment in identified one or more geologic bodies statements.Explanation confidence level for given geologic body statement can be indicated spatial description value and/or be explained the degree of confidence in the rock character being associated with this given geologic body.Assignment confidence level can automatically be carried out and/or the user based on receiving via other assembly of user interface 104 and/or system 100 inputs to carry out.
Synthetic seismic response module 122 can be configured to, and generates and/or otherwise obtain synthetic seismic response.This synthetic seismic response can be corresponding to hybrid determinacy-geological statistics earth model and/or other model.Synthetic seismic response can comprise by the advance computing machine that generates by hypothetical model of supposition specific waveforms and generates seismic reflection record.Synthetic seismic response can not be subject to the dimension limit of corresponding model.Synthetic seismic response can comprise propagating through to have decay and velocity anisotropy's one-dimensional or multidimensional elastic model.In the exemplary embodiment, generate the synthetic seismic response being used for the comparison of measurement geological data, initial and/or other hybrid determinacy-geological statistics earth model.This initial and/or other the hybrid determinacy-geological statistics earth model of checking that relatively contributes to.
Be back to mixture model module 120, this module can be configured to the formula of refinement initial mixing iteratively determinacy-geological statistics earth model, to obtain one group of final hybrid determinacy-geological statistics earth model.This refinement can be based on geology seismic response and the continuous comparison between the synthetic seismic response of hybrid determinacy-geological statistics earth model of refinement.The synthetic seismic response of each individuality in the final hybrid determinacy-geological statistics earth model of this group approaches measures geological data.In certain embodiments, the iteration between one or more in can execution module 110,112,114,116,118,120 and/or 122 is processed (reworking) again.
In certain embodiments, mixture model module 120 can be configured to, and in the middle of the final hybrid determinacy-geological statistics earth model of this group, selects representative hybrid determinacy-geological statistics earth model.According to some embodiment, the hybrid determinacy-geological statistics of this representativeness earth model can have the one or more range of indeterminacy based at least one Reservoir Parameters, geology truthlikeness and/or out of Memory.
Fig. 2 exemplified with according to one or more embodiment, for generating the workflow 200 of hybrid determinacy-geological statistics earth model.As described in Fig. 2, workflow 200 comprises treatment step 202,206,208,210 and/or 212.One or more in treatment step 202,206,208,210 and/or 212 can omit and/or with another combination of process steps.Additional treatment step can be included in workflow 200.Treatment step 202 shown in Fig. 2,206,208,210 and/or 212 order are not intended to limit, because treatment step 202,206,208,210 and/or 212 can be carried out by other order.One or more treatment steps 202,206,208,210 and/or 212 of workflow 200 can be carried out by one or more assemblies of system 100.Fig. 3 A-3C and 4A-4D provide the exemplary information being associated with workflow 200.More particularly, according to one or more embodiment, Fig. 3 A-3C is exemplified with extracting geologic body from earthquake volume, and Fig. 4 A-4D is exemplified with carry out the hybrid determinacy-geological statistics of framework earth model via the cross section of running through the earthquake volume that is superimposed with hybrid determinacy-geological statistics earth model.In addition, one or more treatment steps can be included in the method for describing in one or two in ' 995 applications and/or ' 094 application, and it is all incorporated into this by reference.
At treatment step 202, analyze geological data to identify one or more plastids discretely.This analysis can comprise one or more seismic strata analytical technologies, one or more earthquake terrain analysis technology and/or other analytical technology.Fig. 3 A is exemplified with the exemplary visual of earthquake data set.Analyze this geological data to identify one or more plastids discretely.The geologic body of identifying is expressed as geologic body statement in framework.Fig. 3 B is exemplified with the exemplary visual of statement that is superimposed upon the geologic body of identifying on the earthquake data set of Fig. 3 A.Fig. 4 A is exemplified with another exemplary visual of statement that is superimposed upon the geologic body of identifying on earthquake data set.According to some embodiment, treatment step 202 comprises inspection restriction skew/angle stack.Signal strengthens process can be carried out when needed.When according to earthquake data identification discretely during plastid, different geologic bodies can be utilized animation and/or visualization tool imaging in difference skew stack territory.
At treatment step 204, attribute, reservoir characteristic and/or geometric configuration, characteristics of geological body and/or geometric configuration and/or out of Memory assignment can be identified to geologic body and/or identification geologic body in groups to each.In certain embodiments, by utilize earthquake and/the amplitude offset analysis of well logging information and/or inverting be for example, for space scale (, thickness) and/or the reservoir characteristic of each geologic body of determining.Each that the assignment of relative confidence amount can be given to the geologic body of identifying identified geologic body, and this confidence measure can be quantitatively and/or qualitatively.Fig. 3 C is the exemplary visual to attribute, reservoir characteristic and/or the out of Memory of the identification geologic body of Fig. 3 B exemplified with assignment.Fig. 4 B is the exemplary visual to attribute, reservoir characteristic and/or the out of Memory of the identification geologic body of Fig. 4 A exemplified with assignment also.
At treatment step 206, the reservoir model space is filled with identification geologic body to form deterministic framework.This geologic body is the determinacy assembly of hybrid determinacy-geological statistics earth model.Deterministic framework is associated with earth model, this earth model partly or entirely on the matrix that extends, and comprise each geologic body statement and the one or more undefined region in identified one or more geologic bodies statements.Undefined and/or error definition part is discussed further combined with treatment step 208.Fig. 4 C is exemplified with filling the identification of deterministic framework and the exemplary visual of gathering geologic body, and wherein, gray area indication does not have the region of the deterministic framework of clearly defined geologic body.
At treatment step 208, the one or more undefined and/or error definition part of deterministic framework utilizes the modeling of probability geological statistics to fill, to obtain hybrid determinacy-geological statistics earth model.Fig. 4 D is exemplified with an exemplary illustration figure of the deterministic framework of Fig. 4 C, and it has the part or all of undefined and/or error definition part of utilizing the modeling of probability geological statistics to fill.In certain embodiments, well logging information is integrated in deterministic framework by the identification of additional small scale geologic body.Some embodiment comprise and insert stratum details in geologic body and/or deterministic framework.Treatment step 208 can comprise simulation (for example, MPS, MPS correlation technique and/or other analogue technique) mutually, space background is filled in the undefined of deterministic framework and/or error definition part.This can differentiate any residue blur level being associated with reservoir characteristic, and/or solves geological data may be in significantly limitation during sedimentation body of well data for differentiating or detecting.
At treatment step 210, generate the synthetic seismic response of hybrid determinacy-geological statistics earth model, with the comparison of corresponding measurement earthquake volume.If associated earthquake is derived and more observed seismic response is not matched to acceptable level between characteristic, can take one or more actions inconsistent to alleviate.For example, when there is systematic change, (for example, in the situation that there is poor seismic mass), processes observed earthquake again.As another example, if showing with the poor of observed earthquake, compares part or all of hybrid determinacy-geological statistics earth model, by the iteration of step 202, heavily explain deterministic framework.As another example, when geological statistics, to insert details and present when invalid, geological statistics constraint solves again by the iteration of step 208.In general, remarkable when inconsistent when existing between synthetic response and measured earthquake volume, can visit again one or more in process steps 202,204,206 and/or 208.Hybrid determinacy-geological statistics earth model utilizes the consistency criterion between characteristic and the geological data of this hybrid determinacy-geological statistics earth model verify and/or upgrade.According to some embodiment, according to workflow 200, can obtain several different hybrid determinacy-geological statistics earth models.
At treatment step 212, by one or more hybrid determinacy-geological statistics earth model classification, to determine, can accept or preferred hybrid determinacy-geological statistics earth model.This classification can be based on one or more reservoirs tolerance.This tolerance can comprise: static pool layer characteristic (for example, local oilreserves, this ground vapour reserves and/or other characteristic), dynamic reservoir characteristic (for example, throughput rate, estimation ultimate production and other characteristic) and/or other tolerance.These and other tolerance can be obtained via reservoir simulation, and can be relevant to the feature of hybrid determinacy-geological statistics earth model again.
Fig. 5 exemplified with according to one or more embodiment, for by the determinacy of plastid is discretely identified to generate the method 500 for the deterministic framework of earth model.The operation of the method 500 presenting is below intended to illustrate.In certain embodiments, method 500 can be utilized one or more additional operations of not describing and/or not utilize one or more the completing in discuss operation.For example, method 500 can be included in one or more operations of describing in ' 995 application and/or ' 094 application, and it is all incorporated into this by reference.In addition, wherein the order of the operation of Fig. 5 illustration and method described below 500 is not intended to limit.
In certain embodiments, method 500 can for example, realize one or more treating apparatus (, digital processing unit, analog processor, the digital circuit that is designed to process information, the mimic channel that is designed to process information, state machine and/or for other mechanism of process information electronically).These one or more treating apparatus can comprise in response to the one or more devices that are stored in electronically instruction on electronic storage medium and come some or all operations of manner of execution 500.These one or more treating apparatus can comprise the one or more devices by wanting specific design to arrange for hardware, firmware and/or the software of one or more operations of manner of execution 500.
In operation 502, obtain the multiple image volume that are associated with the earth model of the geology volume of paying close attention to that comprises one or more geologic bodies.In certain embodiments, operation 502 can be carried out by image volume module 112.
In operation 504, the one or more frequency ranges in the described multiple image volume that are associated for the earth model of the geology volume of paying close attention to this, executive signal is processed one or two in enhancing or spectral decomposition.In certain embodiments, operation 504 can be carried out by image volume module 112.
In operation 506, by utilizing one or two in seismic stratigraphy analytical technology or earthquake topography analytical technology to analyze one or more in described multiple image volume, identify the one or more statements of plastids discretely in each image volume in described multiple image volume.In certain embodiments, operation 506 can be carried out by geologic body module 114.
In operation 508, each image volume assignment in described multiple image volume distributes mutually.In certain embodiments, operation 508 can be carried out by phase distribution modulator 116.
In operation 510, the set based on distributing mutually generates the deterministic framework of this earth model.In certain embodiments, operation 510 can be carried out by frame module 118.
In operation 512, identify the lamellar spacing, one or more ground in the deterministic framework of this earth model.In certain embodiments, operation 512 can be carried out by frame module 118.
Fig. 6 exemplified with according to one or more embodiment, for become the method for hybrid determinacy-geological statistics earth model next life by the lamellar spacing, ground that utilizes geological statistics information and/or seismic inversion to fill deterministic framework.The operation of the method 600 presenting is below intended to illustrate.In certain embodiments, method 600 can be utilized one or more additional operations of not describing and/or not utilize one or more the completing in discuss operation.For example, method 600 can be included in one or more operations of describing in ' 995 application and/or ' 094 application, and it is all incorporated into this by reference.In addition, wherein the order of the operation of Fig. 6 illustration and method described below 600 is not intended to limit.
In certain embodiments, method 600 can for example, realize one or more treating apparatus (, digital processing unit, analog processor, the digital circuit that is designed to process information, the mimic channel that is designed to process information, state machine and/or for other mechanism of process information electronically).These one or more treating apparatus can comprise in response to the one or more devices that are stored in electronically instruction on electronic storage medium and come some or all operations of manner of execution 600.These one or more treating apparatus can comprise the one or more devices by wanting specific design to arrange for hardware, firmware and/or the software of one or more operations of manner of execution 600.
In operation 602, obtain the deterministic framework being associated with the earth model of the geology volume of paying close attention to that comprises one or more geologic bodies.In certain embodiments, operation 602 can be carried out by frame module 118.
In operation 604, identify one group of one or more geologic body statement that are associated with paid close attention to geology volume.In certain embodiments, operation 604 is carried out by geologic body module 114.
In operation 606, by utilizing each geologic body in this group geologic body statement to explain the lamellar spacing, one or more ground in the deterministic framework of filling earth model, generate initial mixing formula determinacy-geological statistics earth model.In certain embodiments, operation 606 is carried out by mixture model module 120.
In operation 608, the synthetic seismic response that generates initial mixing formula determinacy-geological statistics earth model with measure geological data comparison.In certain embodiments, operation 608 is carried out by synthetic seismic response module 122.
In operation 610, the formula of refinement initial mixing iteratively determinacy-geological statistics earth model, to obtain one group of final hybrid determinacy-geological statistics earth model.In certain embodiments, operation 610 is carried out by mixture model module 120.
In operation 612, in the middle of the final hybrid determinacy-geological statistics earth model of this group, select representative hybrid determinacy-geological statistics earth model.In certain embodiments, operation 612 is carried out by mixture model module 120.
Although be considered to the most useful and preferred embodiment based on current, and for illustrative purposes, this technology be have been described in detail, but should be appreciated that, this details is only for this object, and this technology is not limited to the disclosed embodiments, and, antithesis, it is intended to cover modification and the equivalent arrangements in the spirit and scope in appended claims.For example, should be appreciated that, this technology imagination, in situation as much as possible, can be by combined one or more features of one or more features of any embodiment and any other embodiment.
Claims (15)
1. for by a computer implemented method of the determinacy of plastid discretely being identified to the deterministic framework that generates earth model, the method comprises:
Obtain the multiple image volume that are associated with the earth model of the geology volume of paying close attention to that comprises one or more geologic bodies, the geological data of described earth model based on representing to propagate through from one or more energy sources to one or more energy receiver the energy of paid close attention to geology volume, described geological data comprises one or more at least one skew stack, at least one angle stack or the stack of at least one orientation, and each image volume in described multiple image volume is corresponding to different stack territories;
One or more frequency ranges in described multiple image volume that the earth model of the geology volume of paying close attention to this is associated, executive signal is processed one or two in enhancing or spectral decomposition;
By utilizing one or two in seismic stratigraphy analytical technology or earthquake topography analytical technology, analyze one or more in described multiple image volume, identify the one or more statements of plastid discretely in each image volume in described multiple image volume, each geologic body in described one or more geologic body statements is explained corresponding to the described one or more geologic bodies that are included in this geology volume of paying close attention to;
Each image volume assignment in described multiple image volume distributes mutually, and described distribution mutually comprises one or two and assignment based in borehole data and/or geophysics modeling spatial description value and/or the rock character to identified one or more geologic bodies statements;
Set based on distributing mutually generates the deterministic framework of earth model, described deterministic framework is associated with earth model, earth model partly or entirely on the matrix that extends, and comprise each geologic body statement and the one or more undefined region in identified one or more geologic bodies statements; And
In the deterministic framework of earth model, identify lamellar spacing, one or more ground, lamellar spacing, described one or more ground does not have identified geologic body statement.
2. method according to claim 1, wherein, identifying described one or more statement of plastid discretely comprises: according to the animation that comprises a succession of frame of deriving from given image volume, identify the one or more stratum pattern described given image volume, single frame comprises the optics stacked volume that runs through the single section of given image volume or be associated with given image volume.
3. method according to claim 2, wherein, described one or more stratum pattern of identifying in given image volume comprises: described given image volume is explained in the analysis of the optics stacked volume based on being associated to the section that runs through given image volume or with given image volume.
4. method according to claim 2, wherein, comprises according to the described one or more stratum of animation identification pattern: identify the variation between the successive frame of described animation.
5. method according to claim 4, wherein, the variation between the successive frame of described animation comprises: the geologic body between successive frame with different rate travels.
6. method according to claim 2, wherein, optics stacked volume comprises two or more sections that run through given image volume.
7. method according to claim 6, wherein, the opacity of described two or more sections of this optics stacked volume is adjusted to and makes geologic body break through opacity threshold value.
8. method according to claim 2, also comprises: by filtering following one or more noise relational pattern of eliminating: each image volume in described multiple image volume, the optics stacked volume that runs through the section of each image volume in described multiple image volume or be associated with each image volume in described multiple image volume.
9. method according to claim 1, also comprise: confidence level is explained in each geologic body statement assignment in identified one or more geologic body statements, wherein, the explanation confidence level indication of given geologic body statement and given geologic body are explained the spatial description value that is associated and/or the degree of confidence of rock character.
10. for become a computer implemented method for hybrid determinacy-geological statistics earth model next life by the lamellar spacing, ground that utilizes geological statistics information and/or seismic inversion to fill deterministic framework, the method comprises:
Obtain the deterministic framework being associated with the earth model of the geology volume of paying close attention to that comprises one or more geologic bodies, the measurement geological data of this earth model based on representing to have passed through paid close attention to geology volume and be transmitted to from one or more energy sources the energy of one or more energy receiver, this measurement geological data comprise one or more at least one skew stack, at least one angle stack or the stack of at least one orientation, this deterministic framework be associated with earth model, this earth model partly or entirely on the matrix that extends;
The group of one or more geologic body statements that identification is associated with paid close attention to geology volume, each geologic body statement in this group geologic body statement is derived randomly, and represent to be included in each geologic body in described one or more geologic bodies in paid close attention to geology volume, the group of these one or more geologic bodies statements is utilized borehole data or is explained that one or two in dynamic generated data construct based on Geo-statistic Method;
The lamellar spacing, one or more ground of explaining in the deterministic framework of filling earth model by each geologic body of utilizing in this group geologic body statement becomes initial mixing formula determinacy-geological statistics earth model next life, and each lamellar spacing, ground in lamellar spacing, described one or more ground is the region that there is no geologic body statement in this deterministic framework;
Generate and be used for and measure geological data synthetic seismic response comparison, initial mixing formula determinacy-geological statistics earth model, this relatively contributes to verify initial mixing formula determinacy-geological statistics earth model;
The formula of refinement initial mixing iteratively determinacy-geological statistics earth model, to obtain one group of final hybrid determinacy-geological statistics earth model, continuous comparison between the synthetic seismic response of hybrid determinacy-geological statistics earth model of this refinement based on geology seismic response and refinement, wherein, the synthetic seismic response of each earth model in the final hybrid determinacy-geological statistics earth model of this group approaches and measures geological data; And
In the middle of the final hybrid determinacy-geological statistics earth model of this group, select representative hybrid determinacy-geological statistics earth model, the hybrid determinacy-geological statistics of this representativeness earth model has the uncertainty of the one or more certain limit based at least one Reservoir Parameters or geology truthlikeness.
11. methods according to claim 10, also comprise: by the regional that there is no geologic body statement in definite deterministic framework, identify the lamellar spacing, ground in deterministic framework.
12. methods according to claim 10, wherein, at least one lamellar spacing, ground in the lamellar spacing, described one or more ground in filling deterministic framework is based on multi-point statistic workflow.
13. methods according to claim 10, also comprise: confidence level is explained in each geologic body statement assignment in the group of identified one or more geologic body statements, wherein, the explanation confidence level indication of given geologic body statement and this given geologic body are explained the spatial description value that is associated and/or the degree of confidence of rock character.
14. methods according to claim 10, wherein, generating initial mixing formula determinacy-geological statistics earth model comprises: based on one or two in borehole data or geophysics modeling, to each geologic body statement assignment spatial description value in the geologic body statement being included in hybrid determinacy-geological statistics earth model or one or two in rock character.
15. 1 kinds of systems, are configured to generation for the deterministic framework of earth model and generate hybrid determinacy-geological statistics earth model, and described system comprises:
One or more processors, are configured to computer program module, and described computer program module comprises:
Image volume module, be configured to generate or obtain the multiple image volume that are associated with the earth model of the geology volume of paying close attention to that comprises one or more geologic bodies, the geological data of described earth model based on representing to propagate through from one or more energy sources to one or more energy receiver the energy of paid close attention to geology volume, described geological data comprises one or more at least one skew stack, at least one angle stack or the stack of at least one orientation, and each image volume in described multiple image volume is corresponding to different stack territories;
Geologic body module, be configured to by utilizing one or two in seismic stratigraphy analytical technology or earthquake topography analytical technology to analyze one or more in described multiple image volume, identify the one or more statements of plastid discretely in each image volume in described multiple image volume, each geologic body in described one or more geologic body statements is explained corresponding to the described one or more geologic bodies that are included in paid close attention to geology volume;
Phase distribution modulator, be configured to distribute mutually to each image volume assignment in described multiple image volume, described distribution mutually comprises one or two assignment based in borehole data and/or geophysics modeling spatial description value and/or rock character to identified one or more geologic bodies statements;
Frame module, be configured to generate or obtain based on the set distributing mutually the deterministic framework of earth model, this deterministic framework is associated with earth model, earth model partly or entirely on the matrix that extends, and comprise each lamellar spacing, ground in each geologic body statement and the lamellar spacing, one or more ground in identified one or more geologic bodies statement, each in lamellar spacing, described one or more ground the region that is in deterministic framework, do not have geologic body to explain, lamellar spacing;
Mixture model module, be configured to each geologic body statement in the group by utilizing the one or more geologic body statements that are associated with paid close attention to geology volume, fill each lamellar spacing, ground in the lamellar spacing, one or more ground in deterministic framework, generate or obtain hybrid determinacy-geological statistics earth model, each geologic body statement in this group geologic body statement is derived randomly, and represent to be included in each geologic body in the one or more geologic bodies in paid close attention to geology volume, the group of this one or more geologic bodies statement is utilized borehole data or is explained that one or two in dynamic generated data construct based on Geo-statistic Method, and
Synthetic seismic response module, be configured to generate or obtain for the synthetic seismic response of determinacy-geological statistics earth model geological data comparison, hybrid, to verify hybrid determinacy-geological statistics earth model.
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| EP2748644B1 (en) | 2017-09-20 |
| NO2888204T3 (en) | 2018-06-30 |
| EP2748644A4 (en) | 2015-10-28 |
| US8843353B2 (en) | 2014-09-23 |
| BR112014002535A2 (en) | 2017-03-14 |
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| CN103765245B (en) | 2016-10-12 |
| EP2748644A1 (en) | 2014-07-02 |
| CA2846110A1 (en) | 2013-02-28 |
| US20130054201A1 (en) | 2013-02-28 |
| AU2012299424A1 (en) | 2014-02-20 |
| RU2014111160A (en) | 2015-09-27 |
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